Flexible joint



Apriuo, 192s. 1,665,655

A. B. CLISSON FLEXIBLE JOINT April l0, 1928. 1,665,655

A. B. CLISSON FLEXIBLE JOINT Filed Sept. 20, 1925 2 Sheets-Sheet 2 By I Anoia/VHS,

Patented Apr. 1o, 1928.

UNITED STATES 1,665,655 P.1`5iTl1l\lTl OFFICE.

ALBERT B. CLISSON, 0F GEDDES, YORK, .ASSIGNOIL BY MESNE ASSIGNMENTS, TO

i THE PROSPEBITY COMPANY, INC., A' CORPORATION OF NEW YORK.,

FLEXIBLE JOINT.

Application led September 20, 1923. Serial No. 663,918.

upper liuid heated ress heads carried by a diie; and one end of the` coupling 1s mounted coaxially with the azris'` of the yoke and the otherl end connected 'tof lever or pivoted y the press head which, in addition to the pivotal movement with the yoke, has a movement `relative to the yoke. One type of machine to which this coupling is applicable is illustrated in the patent of A. C.'

Austin, No. 1,252,988, issued January 8, 1918.

The invention consists "in the novel features and in the combinations` and the constructions hereinafter set forth'and claimed. In describing this invention, referenceis had to the accompanying drawings in which like characters designate corresponding parts in allI the views.

Figure 1 is a side elevation of -thls coupling, parts being omitted.

Figure 2 is a longitudianl sectional viewtaken centrally on line 2--2, Figure 1.

Figure 3 is an end elevation, partly in section.

Figure 4 is an opposite side elevation-from that seen in Figure 1, the ca for "preventing turning of the nut beings own;

Figure 5 is adetail view of the collar on each pivot.

Figure 6 is a This iexible couplin comprises generally pivots or pivotal con uits having inlet or return passages therethrough, a single or unitary connecting member or body having bearings for the pivots and also lengthwise inlet return passages communicating with the inlet and return passages of the pivots, a packing for preventing leakage associated with each bearing and means for tightening the packing and securing the pivot to the connecting member.

1 and 2 `designate the pivots, the pivot 1 having inlet and return passages 3, 4, the return passage 4 opening at 5 through the inner end of the pivot 1 and the inlet passage detail view of one of the caps shown in Fig. 4.

3 opening at 6 through a lateral side of the pivot 1 near the inner end of the pivot. The pivot 1 is also provided at its outer end with a head 7 provided with means, as a tapped hole 8, for connection to an inlet pipe for the fluid, as steam, also means, as a tapped hole 9, for connection to an outlet pipe. The

head is also provided with means, as a tapped hole 10, in which a pressure gauge may be mounted.

`The pivot 2 is' also provided with an .inlet passage 11 and a return passage 12,

the return passa e opening at 13 through the inner end 0% the pivot and the inlet passage opening at14 througha lateral side ofthe pivot 2. The pivot 2 is also provided Awith a head 15 at its outer end, this head including a conduit 16 which threads into the part as the upper press head to which the coupling is connected, the conduit 16 communicating with the return passa e 12. The head 15 is also provided with a pipe 17- arranged within the conduit 16 and threading into a tapped hole 17l in a wall separating the passages 11, 12, the pipe 17 thus communicatin with the inlet passa e 11.

18 is the b y or connecting mem r hav- -in bearings mounted on the pivots 1, 2,

thismember 18 being formed with inlet and return passages 19, 20 therethrough, 'which assages extend lengthwise of said member.

he member 18 is also provided with -bores 21, 22 and 23, 24 for receiving the inner ends of the pivots 1, 2 respectively and in which these inner ends are journalled. That 1 is,th'er inner end of the pivot 1'is journalled 'at the inner end in the bores 21, 22, and the "inner-,end of the pivot 2 in the bores 23, 24.

'lliie'se'bores 21, 22 and 23, 24 constitute what may, `for convenience be called internal bear- 'ing'portionsand the bearings ofsaid ,meme

ber 18,'for the pivots 1, 2 also include ex# ternal bearing ortions 25, 26 lof greater diameter than t e diameters of the pivots 1, 2.v .Each pivot, 1 or 2, is held from endwise movement, that is, from displacement by means-as a collar arranged in the external vbearings25 or 26 and thrusting against the bottom of external bearin and held from or 2 and an element operating to thrust against said collar to hold it a ainst such u bottom. Said element, as here s own, is a nutV 28 threading on each external bearing 25 or 26, and the means thrusting against thebottom of each enlarged bearing 25 or 26, as here shown, comprises a split collar 29 usually for convenience in assembling consisting of two semi-circular halves, the collar fitting into an annular groove at 30 in each pivot, 1 or 2, and such' collar substantially fitting the bore of the external bearing 25 or 26 and thrusting directly against the bottom thereof, 31 is a packing arranged about each pivot 1 or 2 in the external bearing 25 or 26 and thrusting against the collar 29. 32 is a collar mounted on each pivot 1 or,2 between the head of the nut 2 and the packing 81 and acting to compress t e the aring 25 or 26.

The return passages 4 and 12 o thepivots 1 and 2 open 1nto the return passage 2() of the member 18; and the inlet passagesl 3 and 11 open into the inlet passage 19 of the connecting member 18. The steam passes from the source of supply through the o ening 8 into the inlet passage 3 of the pivot 1 through the passage 19 ot the connecting member 18, passage 11 of the pivot 2 and the pipe 17 `from which it is delivered to the chamber of the press head of a pressing machine, and after circulating through the chamber of the head, returns through the conduit 16,-passage 12, of the pivot 2, passage20, of the member 18, passage 4 of the pivot 1 and out through the passage 9.

Owing to the fact that the pivotal movement about the pivots 1, 2 are different, the packings Wear differently and it is necessary to oftentimes adjust one more than the other and usually in flexible couplings the one not requiring adjustment prevents the proper tightening of the bearing requiring adjustment or, whenone requires less adjustment than the other, the latter cannot be tightened sufliciently Where the amount of its adjustment depends upon the amount the former can be adjusted.

In this coupling, each pivotal joint can be adjusted independently of the other and to any extent Without. being affected by the adjustment of the other.

In order to hold the nut from turning during pivotal movement, means associated with a connecting member or body 18 is provided for holding each nut in its adjusted position. This means, as here shown, comprises a cap 83 fitting over each end of the member 18 from the side thereof, opposite to that on'` which the conduit 1 or 2 is located, t'he cap having a passage 34 which packing when the nut is screwed on to permits it to move transversely of the mem- 4 er 18 and the cap also being shaped to receive the lnut 28 which is angular. The cap is normally held from displacement in any suitable manner as b a retaining member as-a screw 35 exten ing through the portions thereof on the opposite sides of the passage 34 and arranged on the inner side oi' the member 18, that is, on the same side of such member as the pivots 1, 2. By reason of this locking means the adjustment of the nut is not upset during the operation of the couplings.

What I claim is:

1. A flexible coupling of the class described, comprising parallel pivotal conduits, each having an inlet and return passages therethrough, a body member U- shaped in general form, the. arms of the U-shaped member forming bearings in which said ivotal conduits are journalled, the intermediate 'part of the U-shaped body being formed with inlet and-return assages communicating respectively with tie inlet and return passagesof the pivotal conduits, and said conduits extending through the bearings and into the intermediate part of the U-shaped body, the bearin s being formed with internal shoulders, an the pivotal conduit having thrustv bearing against said shoulders, a packing in each bearing, thrusting toward the shoulders, and a nut enclosing each. pivotal conduit and threading on the adjacent bearing.

2. A flexible coupling of the class described, comprising pivotal conduits arranged parallel to each other, each pivotal conduit being formed with a partition dividing it into parallel linlet and return passages, one of said passages opening through the end of the pivotal conduit and the other opening through the side ofthe conduit near'sueh end, a body member having bearings at its end .in which the pivotal conduits are mounted, the body being formed with' a lengthwise partition dividing it into parallel inlet and return passages commu-' nicating at the ends of the body with the passages oi. the pivotal conduits, and a packing nu't encircling each pivotal conduit and threading on t-he adjacent bearing.

In testimony whereof, I have hereunto signed In name, at Syracuse, in the county of Onon aga, and State of New York, this 13th day of September, 1923.

. AALBERT B. cLIssoN. 

